Category: Coding

  • My 2x estimation rule

    Estimation is an important part of software development and its incredibly difficult to make correct estimation. Over the time, I have realized that on most occasions my estimates were very aggressive despite keeping some buffer time. Then one day I decided to try out something new. I divided the feature in small tasks and then […]

  • Mutex Vs Semaphore

    The title seemed to bug me a lot, until today when i found a really good explanation. If you google for the difference between Mutex and Semaphore you will see in most of the places it is mentioned that mutex is a binary semaphore. But mutex is not actually a binary semaphore. See these links […]

  • Coin Denomination Problem

    Coin denomination problem is a very common question asked in interviews. It involves Greedy Approach, Dynamic Programming and Recursion. You may find a lot of stuff on the internet if you just google out “Coin denomination problem”. A link that was really helpful for me to analyse the problem is Some other helpful text […]